The unencrypted TCP feed supports both orderbooks and trades for all exchanges supported by bitcoin-analytics.com service owned by me and genuise. Data are semi-realtime for now - we send aggregate messages every 15 seconds.

On logon unsolicited MarketDataSnapshotFullRefresh (W) messages with full-depth price-depth orderbooks are sent for every exchange:

MarketDataSnapshotFullRefresh (W)

Symbol
NoMDEntries
+ MDEntryType (0 or 1)
+ MDEntryPx
+ MDEntrySize

After that synchronous trades and order book deltas are sent:

MarketDataIncrementalRefresh (X)

NoMDEntries
+ MDUpdateAction
+ Symbol
+ MDEntryType (0, 1 or 2)
+ MDEntryPx
+ MDEntrySize

Orderbooks are as full as exchange API allows. For example, BTC-E only provides top 150 entries. Since data volume is relatively low, further reduction of market depth as provided by MarketDepth field of MarketDataRequest (V) is not implemented.

We built an open-source PoC quickfix/python client to demonstrate interoperability with other FIX implementations.

If you are familiar with FIX protocol and interested in free pre-release access let us know. Our goal at this point is to polish technical details and collect feedback from devs working with FIX feeds in fiat financial industry.

We will charge monthly subscription fee after the release.

http://bitcoincharts.com/charts/mtgoxUSD#rg60zigWeeklyzczsg2013-01-23zeg2013-02-14ztgMzm1g10zm2g25zl

Асtual deviation from straight line is only 3.6%

Week Actual Model Delta
-2   13,88   13,22   -4,8%
-1   14,84   15,04   1,4%
0   17,12   17,12   0,0%
1   19,56   19,48   -0,4%
2   21,41   22,17   3,6%
3   25,31   25,23   -0,3%
4   28,51   28,71   0,7%

Has this been discussed before? Bitcoin client seems to perform way too many disk writes under Windows - Task Manager reports 4 millions of write calls to sync 3k blocks.

Can't we buffer writes to bring them down to dozens per second from hundreds per second? My hard drive seeks like crazy during sync.

The reward is built-in reward + transaction fees. So what is the maximum in block chain?

We all expect transaction fees to overcome built-in block reward at some point in the future. So where are we now? Has anyone received 55 BTC for a block (50 builtin and 5 fees)?

Only 150M is available for now.

PM with your evony nickname if interested. If your evony 1 server is not wn1 but you are interested in lumber/iron comment or PM too

Someone has just put 200k USD worth orders to buy BTC

AFAIK all miners use the same OpenCL kernel and the kernel itself hasn't changed for long time.

Is this true? What are the latest OpenCL kernels and where a new miner writer can get them?

This poll is to check the hypothesis that everyone mines to dump.

Post a VPS hosting company website and get 0.02 BTC from me if it's OpenVZ/Parallels and 0.03 if it's anything else.

Unfortunately, not all hostings qualify.

1. The hosting must not be already listed at http://cheapest.prcn.co.cc/ - enter 999 0 0 0 in the filter boxes there to see all hostings currently listed.
2. The hosting must not be already posted
3. Price for a 512MB VPS must not exceed $20 or equivalent

First 3 persons to post qualified links get 0.05 BTC as a bonus.

I'm only ready to pay for 50 links (however I doubt to get more than 3).

I just got little to none feedback on https://bitcointalk.org/index.php?topic=82768.0 so I resorted to xposting.

Is it good? Is it bad? Is it slow? Is it hard to login? Was OpenID a bad idea?

Русский топик, бросайтесь какашками.

[01 Apr 2013 Update]

http://bitcoin-analytics.com

01 Apr 2013 Update:

We are proud to announce an update:

• AUD, PLN, CAD, RUR currencies are supported
• Mtgox charts for USD, EUR, GBP, CNY, AUD, PLN, CAD, RUR are based on full orderbook depth as we switched to streaming API
• Added new exchanges, removed exchanges which stopped working
• Prices were corrected to match Bitcoin exchange rate

You can view limited version of charts for free as before.

Full access will cost you:
0.002 BTC a day, 0.03 BTC a month, 0.05 BTC for 2 months

21 Dec 2012 Update:

Today is 6 months since Genuise and I launched http://bitcoin-analytics.com

We are proud to announce an update:

• GBP currency is supported
• Mtgox charts for USD, EUR, GBP, CNY are based on full orderbook depth as we switched to streaming API
• Independent axes for BTC and USD in order book depth charts
• Added new exchanges, removed exchanges which stopped working
• Charts work faster and use less browser memory
• New daily subscription plan
• New bimonthly subscription plan
• Prices were corrected to match Bitcoin exchange rate

You can view limited version of charts for free as before.

Full access will cost you:
0.05 BTC a day, 0.3 BTC a month, 0.5 BTC for 2 months

https://homeno.de/cart.php?gid=9&currency=5

I'm not affiliated with them in any way, just was excited to see them accepting BTC

I got the following message from LR:

---
Your account has been blocked for 3 hours due to 5 unsuccessful Reset Code tries. Please contact us immediately if you did not try to login to your account. 3 hour block is meant to give you enough time to notice and react in case your account was compromised.
---

The 5 reset attempts were there in inbox too. Did you get anything similar recently? If yes, as I only use my acc for Bitcoin, I suppose it's either an exchange was compromised or it's a global attack on LR. I hope it's not the case.

Не подскажете трейдерский словарик, учебник или энциклопедию?

Розничный форекс не предлагать - там ордербука, насколько я понимаю, тебе не показывают.

Интересует что-то вроде http://www.investopedia.com/articles/trading/06/Level2Quotes.asp#axzz1T62cBaLJ, только более системно изложено

Есть ли у кого представление, дадут ли MT лицензию для такой биржи, и на сколько этот проект потянет, включая лицензию и работу по привязке серверной части МТ к биллингу? Десятки, сотни тысяч дол., миллионы?

I get 500 error during attempts to authenticate

When I start poclbm without any options it displays only 2 devices (Cayman and Core). I suppose it should have displayed 4 caymans and 1 Core.

The speed is 350 MH/s, what I expect from a half of 6990. Should be 4 times more (1400-1700).

What did I do wrong?

I offer subj.

Erlang is not my strong point though.

What's going on? Is anything broken? Notice the same timestamp

[14:34] <amphipod> Jul02 04:57:27 virtex       0.0100 @    16.10       CAD
[14:35] <amphipod> Jul02 04:57:27 virtex       0.0100 @    16.10       CAD
[14:35] <amphipod> Jul02 04:57:27 virtex       0.0100 @    16.10       CAD
[14:36] <amphipod> Jul02 04:57:27 virtex       0.0100 @    16.10       CAD
[14:36] <amphipod> Jul02 04:57:27 virtex       0.0100 @    16.10       CAD
[14:37] <amphipod> Jul02 04:57:27 virtex       0.0100 @    16.10       CAD
[14:38] <amphipod> Jul02 04:57:27 virtex       0.0100 @    16.10       CAD